Home / 50,045.13-74,989.94-31,538.25

Finding the Fourth Proportional to 50,045.13, 74,989.94 and 31,538.25

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Solution

The fourth proportional to 50,045.13, 74,989.94 and 31,538.25 is: 47,258.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.13 : 74,989.94 = 31,538.25 : x
  2. Step 2: Convert to fraction form
    50,045.13/74,989.94 = 31,538.25/x
  3. Step 3: Cross multiply
    50,045.13x = 74,989.94 × 31,538.25
  4. Step 4: Simplify right side
    50,045.13x = 2,365,051,317.51
  5. Step 5: Solve for x
    x = 2,365,051,317.51/50,045.13
  6. Step 6: Final answer
    x = 47,258.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.